This illustration shows the process editor of the Travel Request Process.

On the left are the two swimlanes, Employee and Manager, listed top to bottom.

The Employee swimlane has the following elements from left to right: Submit Travel Request start event. 

The Manager swimlane has the following elements from left to right: the Approve Travel Request? event and the Travel Request Complete event.

There is a sequence flow from the Submit Travel Request event to  the Approve Travel Request? task. 

The Approve Travel Request? task is selected, and the Delete icon, the Add Sequece Flow icon, and the Menu icon are displayed. There is a sequence flow from the Approve Travel Request? task to the Travel Request Complete event.  

The following items are bordered in red to call attention to them:
Sequence flow between the Submit Travel Request event and the  Approve Travel Request? task
Sequence Flow icon
Sequence flow between the Approve Travel Request? task and the Travel Request Complete event